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We’re Field King Professional Backpack Sprayer Manufacturer

We design our Field King Backpack Sprayers with durability, comfort, and versatility in mind, offering high-performance solutions for lawn care, pest control, and industrial applications.

Our Backpack Sprayers

Field King Backpack Sprayers are trusted by professionals and homeowners alike for their durability, efficiency, and ergonomic design, making them a top choice for lawn care, pest control, and industrial applications.

Field King Max Backpack Sprayer

Designed for extended use, our Field King Max features a NoLeak pump system, stainless steel wand, and deluxe harness for maximum comfort and performance.

Field King Professional Backpack Sprayer

Built for heavy-duty applications, our Professional model includes a reinforced hose, NoLeak system, and a lumbar-support harness to ensure hight reliability.

Field King ProMax Backpack Sprayer

The ProMax offers premium spraying efficiency with an advanced pressure system, durable build, and multiple nozzle options for precise application.

Field King 4-Gallon Backpack Sprayer

Our standard 4-gallon model delivers up to 150 psi of pressure with versatile nozzle attachments, making it ideal for herbicides, pesticides, and fertilizers.

Field King Battery-Powered Backpack Sprayer

Powered by an 18V lithium-ion battery, this sprayer provides effortless spraying with a consistent 40 psi output and up to four hours of runtime.

Field King Sprayer Replacement Parts

We offer a full range of replacement parts, including wands, seals, pumps, and nozzles, ensuring that your sprayer stays in peak condition for years to come.

Field King Backpack Sprayer Bestsellers

Field King 190328 Backpack Sprayer

The Field King 190328 Backpack Sprayer features an internal No Leak Pump design for enhanced safety, preventing chemicals from dripping down the user’s back during extended use in various applications.

Field King 190348 Backpack Sprayer

The Field King 190348 Backpack Sprayer is designed for professional use, featuring an internal No Leak Pump, a durable 21-inch stainless steel wand, and a deluxe harness for enhanced comfort during extended use.

Field King 190515 Backpack Sprayer

The Field King 190515 Backpack Sprayer is powered by an 18-volt lithium-ion battery, providing up to four hours of continuous spraying, and includes six nozzles for versatile application.

Leak-Free Design

Why Customers Choose Field King Backpack Sprayers

Customers choose our Field King products for their superior performance, durability, and ergonomic design, ensuring reliable spraying solutions for various applications.

High-Pressure Performance

With models reaching up to 150 psi, our sprayers provide consistent and efficient coverage for any job.

Versatile Nozzle Options

Each sprayer includes multiple nozzle types to accommodate different spraying needs, from fine mist to wide coverage.

Ergonomic Comfort

Padded shoulder straps and lumbar support make our sprayers easy to carry, even during extended use.

Any question about our sprayers?
Feel free to contact us anytime.

Field King Company Values

At Field King, we are committed to delivering innovative, high-quality spraying solutions while maintaining our core values.

Our Clients' Pictures

Field King Professional Battery Powered Backpack Sprayer

Field King 2.1 Ah Battery for 18V LI-Ion Backpack Sprayer

Field King 18V LI-Ion Rechargeable Backpack Sprayer

Field King 4 Gallon Power Professional Backpack Sprayer

Field King Company Insights

Field King is a trusted leader in high-performance backpack sprayers, recognized for our commitment to quality, innovation, and user-centric design across lawn care, pest control, and industrial applications.

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Field King Reviews

Our customers rely on Field King Backpack Sprayers for their unmatched durability, comfort, and efficiency, making every spraying task easier and more effective. See what real users have to say about their experience!

As a landscaper with over 15 years of experience, I’ve gone through my fair share of sprayers, and nothing compares to the Field King Max. The NoLeak pump system is a game-changer—I used to deal with leaky seals from other brands, which meant constant messes, wasted chemicals, and a lot of frustration. With Field King, I can confidently spray herbicides all day without worrying about anything dripping onto my back, which is a huge relief when working in hot weather. The build quality is outstanding, with a sturdy tank and durable seals that hold up even after months of daily use. One of my favorite features is the stainless steel wand, which feels solid and gives me complete control over my spray. I work on everything from small residential lawns to large commercial properties, so having multiple nozzle options is essential. I can switch between a fine mist for delicate flower beds, a wide fan spray for broad areas, and a precise stream for edging—all without missing a beat. The best part? The padded harness is incredibly comfortable. I’ve spent six-hour shifts with this on my back, and I barely feel the weight. The lumbar support is a huge plus, especially when I’m working long hours in the sun. After a year of heavy use, the Field King Max is still performing like new. If you’re serious about lawn care and want a sprayer that’s efficient, reliable, and comfortable, this is the only one you need. I recommend it to every landscaper I know!

James Whitmore

Professional Landscaper

I run my own pest control business, and having a dependable sprayer is non-negotiable. I work in all sorts of environments, from residential backyards to warehouses, schools, and restaurants. I need equipment that can handle a wide range of chemicals without breaking down or clogging. I’ve been using the Field King 190328 for over a year now, and it’s easily the best sprayer I’ve owned. The first thing I noticed was how solid the construction is—this thing can take a beating. I’ve dropped it, knocked it over, and even left it in my truck bed during extreme summer heat, and it still works flawlessly. The pressure control is fantastic; I can adjust the spray for delicate indoor treatments or crank it up to 150 psi for high-reach applications outdoors. I’ve used it for everything from general insect control to termite treatments, and the consistency is perfect every time. The in-tank filter is another great feature—it prevents clogs and keeps everything flowing smoothly, even when I’m using thicker pest control solutions. Cleaning is a breeze, and I love that replacement parts are readily available, so I won’t need to buy a new sprayer anytime soon. The shoulder straps are well-padded, which makes a big difference when carrying a full tank for long periods. One of my biggest frustrations with past sprayers was the constant leaking, but the Field King 190328 eliminates that issue entirely. I no longer have to worry about chemicals getting on my clothes or skin, which gives me peace of mind when working in sensitive environments like schools or homes with pets. If you’re in pest control and need a sprayer that will last, this is a must-have. It’s an absolute workhorse, and I wouldn’t trust any other brand.

Robert Callahan

Pest Control Specialist

I’ve been maintaining a large vegetable garden for over a decade, and finding a sprayer that balances power, ease of use, and comfort has been a challenge—until I found the Field King 190515 battery-powered sprayer. I used to rely on a manual pump sprayer, but after years of dealing with constant pumping, arm fatigue, and inconsistent spray patterns, I knew I needed an upgrade. The 18V lithium-ion battery is a game-changer; I can spray for hours without having to stop and pump, which makes fertilizing and applying pest treatments a breeze. One of the things I love most about this sprayer is how lightweight it is, even when filled with four gallons. I was worried that carrying a full tank would be uncomfortable, but the padded straps and ergonomic design distribute the weight evenly across my shoulders. I’ve used it for everything from applying organic pest control to misting delicate seedlings, and it performs perfectly every time. The nozzle options give me so much versatility—I can gently mist my tomato plants or apply a steady stream for my fruit trees. The battery life is another huge benefit. I was skeptical at first, but it easily lasts several hours on a single charge. I’ve sprayed my entire garden, orchard, and even some of my neighbors' yards before needing to recharge. Plus, the battery recharges fast, so I never have to worry about downtime. I also appreciate the durability of this sprayer. It’s built tough, and even after months of regular use, it’s holding up beautifully. If you love gardening as much as I do and want a sprayer that’s effortless to use, this is worth every penny. It has made my gardening routine so much easier and more efficient, and I can’t imagine going back to a manual pump sprayer. Whether you have a small backyard garden or a large property, this sprayer will save you time and effort while delivering outstanding results.

Daniel Ferguson

Homeowner & Gardening Enthusiast